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<div class="title">mmio.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* </span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">*   Matrix Market I/O library for ANSI C</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">*</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">*   See http://math.nist.gov/MatrixMarket for details.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">*</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">*</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#ifndef MM_IO_H</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_IO_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#define MM_MAX_LINE_LENGTH 1025</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MatrixMarketBanner &quot;%%MatrixMarket&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_MAX_TOKEN_LENGTH 64</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">typedef</span> <span class="keywordtype">char</span> MM_typecode[4];</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="keywordtype">char</span> *mm_typecode_to_str(MM_typecode matcode);</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keywordtype">int</span> mm_read_banner(FILE *f, MM_typecode *matcode);</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="keywordtype">int</span> mm_read_mtx_crd_size(FILE *f, <span class="keywordtype">int</span> *M, <span class="keywordtype">int</span> *N, <span class="keywordtype">int</span> *nz);</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="keywordtype">int</span> mm_read_mtx_array_size(FILE *f, <span class="keywordtype">int</span> *M, <span class="keywordtype">int</span> *N);</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keywordtype">int</span> mm_write_banner(FILE *f, MM_typecode matcode);</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="keywordtype">int</span> mm_write_mtx_crd_size(FILE *f, <span class="keywordtype">int</span> M, <span class="keywordtype">int</span> N, <span class="keywordtype">int</span> nz);</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="keywordtype">int</span> mm_write_mtx_array_size(FILE *f, <span class="keywordtype">int</span> M, <span class="keywordtype">int</span> N);</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment">/********************* MM_typecode query fucntions ***************************/</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#define mm_is_matrix(typecode)  ((typecode)[0]==&#39;M&#39;)</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#define mm_is_sparse(typecode)  ((typecode)[1]==&#39;C&#39;)</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_is_coordinate(typecode)((typecode)[1]==&#39;C&#39;)</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_is_dense(typecode)   ((typecode)[1]==&#39;A&#39;)</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_is_array(typecode)   ((typecode)[1]==&#39;A&#39;)</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#define mm_is_complex(typecode) ((typecode)[2]==&#39;C&#39;)</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_is_real(typecode)            ((typecode)[2]==&#39;R&#39;)</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_is_pattern(typecode) ((typecode)[2]==&#39;P&#39;)</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_is_integer(typecode) ((typecode)[2]==&#39;I&#39;)</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#define mm_is_symmetric(typecode)((typecode)[3]==&#39;S&#39;)</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_is_general(typecode) ((typecode)[3]==&#39;G&#39;)</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_is_skew(typecode)    ((typecode)[3]==&#39;K&#39;)</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_is_hermitian(typecode)((typecode)[3]==&#39;H&#39;)</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="keywordtype">int</span> mm_is_valid(MM_typecode matcode);           <span class="comment">/* too complex for a macro */</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment">/********************* MM_typecode modify fucntions ***************************/</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="preprocessor">#define mm_set_matrix(typecode) ((*typecode)[0]=&#39;M&#39;)</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_set_coordinate(typecode)     ((*typecode)[1]=&#39;C&#39;)</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_set_array(typecode)  ((*typecode)[1]=&#39;A&#39;)</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_set_dense(typecode)  mm_set_array(typecode)</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_set_sparse(typecode) mm_set_coordinate(typecode)</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">#define mm_set_complex(typecode)((*typecode)[2]=&#39;C&#39;)</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_set_real(typecode)   ((*typecode)[2]=&#39;R&#39;)</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_set_pattern(typecode)((*typecode)[2]=&#39;P&#39;)</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_set_integer(typecode)((*typecode)[2]=&#39;I&#39;)</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="preprocessor">#define mm_set_symmetric(typecode)((*typecode)[3]=&#39;S&#39;)</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_set_general(typecode)((*typecode)[3]=&#39;G&#39;)</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_set_skew(typecode)   ((*typecode)[3]=&#39;K&#39;)</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define mm_set_hermitian(typecode)((*typecode)[3]=&#39;H&#39;)</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="preprocessor">#define mm_clear_typecode(typecode) ((*typecode)[0]=(*typecode)[1]= \</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="preprocessor">                                                                        (*typecode)[2]=&#39; &#39;,(*typecode)[3]=&#39;G&#39;)</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="preprocessor">#define mm_initialize_typecode(typecode) mm_clear_typecode(typecode)</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">/********************* Matrix Market error codes ***************************/</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="preprocessor">#define MM_COULD_NOT_READ_FILE  11</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_PREMATURE_EOF                12</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_NOT_MTX                              13</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_NO_HEADER                    14</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_UNSUPPORTED_TYPE             15</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_LINE_TOO_LONG                16</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_COULD_NOT_WRITE_FILE 17</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment">/******************** Matrix Market internal definitions ********************</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment">   MM_matrix_typecode: 4-character sequence</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment">                                    ojbect              sparse/         data        storage </span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment">                                                                dense           type        scheme</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="comment">   string position:      [0]        [1]                 [2]         [3]</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment">   Matrix typecode:  M(atrix)  C(oord)          R(eal)          G(eneral)</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment">                                                        A(array)        C(omplex)   H(ermitian)</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment">                                                                                        P(attern)   S(ymmetric)</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment">                                                                                I(nteger)       K(kew)</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="comment"> ***********************************************************************/</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="preprocessor">#define MM_MTX_STR              &quot;matrix&quot;</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_ARRAY_STR    &quot;array&quot;</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_DENSE_STR    &quot;array&quot;</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_COORDINATE_STR &quot;coordinate&quot; </span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_SPARSE_STR   &quot;coordinate&quot;</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_COMPLEX_STR  &quot;complex&quot;</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_REAL_STR             &quot;real&quot;</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_INT_STR              &quot;integer&quot;</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_GENERAL_STR  &quot;general&quot;</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_SYMM_STR             &quot;symmetric&quot;</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_HERM_STR             &quot;hermitian&quot;</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_SKEW_STR             &quot;skew-symmetric&quot;</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MM_PATTERN_STR  &quot;pattern&quot;</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="comment">/*  high level routines */</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="keywordtype">int</span> mm_write_mtx_crd(<span class="keywordtype">char</span> fname[], <span class="keywordtype">int</span> M, <span class="keywordtype">int</span> N, <span class="keywordtype">int</span> nz, <span class="keywordtype">int</span> I[], <span class="keywordtype">int</span> J[],</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;                 <span class="keywordtype">double</span> val[], MM_typecode matcode);</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="keywordtype">int</span> mm_read_mtx_crd_data(FILE *f, <span class="keywordtype">int</span> M, <span class="keywordtype">int</span> N, <span class="keywordtype">int</span> nz, <span class="keywordtype">int</span> I[], <span class="keywordtype">int</span> J[],</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;                <span class="keywordtype">double</span> val[], MM_typecode matcode);</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="keywordtype">int</span> mm_read_mtx_crd_entry(FILE *f, <span class="keywordtype">int</span> *I, <span class="keywordtype">int</span> *J, <span class="keywordtype">double</span> *real, <span class="keywordtype">double</span> *img,</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;                        MM_typecode matcode);</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="keywordtype">int</span> mm_read_unsymmetric_sparse(<span class="keyword">const</span> <span class="keywordtype">char</span> *fname, <span class="keywordtype">int</span> *M_, <span class="keywordtype">int</span> *N_, <span class="keywordtype">int</span> *nz_,</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;                <span class="keywordtype">double</span> **val_, <span class="keywordtype">int</span> **I_, <span class="keywordtype">int</span> **J_);</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="preprocessor">#endif</span></div>
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